The Clausilioidea are a
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
of air-breathing
land snails and
slugs,
terrestrial
Terrestrial refers to things related to land or the planet Earth.
Terrestrial may also refer to:
* Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...
gastropod mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...
s in the informal group
Sigmurethra
Sigmurethra is a taxonomic category of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This is an informal group which includes most land snails and slugs.
The two strong synapomorphies of Sigmurethra are a long p ...
.
This classification was based on different studies dealing with the Clausiliidae, published by H. Nordsieck in 1978, 1979, 1981, 1985, 1994, 1997 and 1998.
Taxonomy
*Family
Clausiliidae
Clausiliidae, also known by their common name the door snails, are a taxonomic family of small, very elongate, mostly left-handed, air-breathing land snails, sinistral terrestrial pulmonate gastropod mollusks.MolluscaBase eds. (2020). Moll ...
Gray, 1855
* † Family
Anadromidae Wenz, 1940
* † Family
Filholiidae Wenz, 1923
* † Family
Palaeostoidae H. Nordsieck, 1986
References
* Gray, J. E. (1855). ''Catalogue of Pulmonata or air-breathing Mollusca in the collection of the British Museum, Part I.'' Taylor & Francis, London. 192 pp.
Stylommatophora
Gastropod superfamilies
{{Stylommatophora-stub